Presented for auction by Second Vintage The Longines Ultra-Chron stands as a monumental achievement in the history of precision horology, introduced in the late 1960s to celebrate the brand's centennial. Originally guaranteed to be accurate to within a minute a month, the Ultra-Chron was a pioneer in high-beat automatic movements. This particular example captures the quintessential aesthetic of its era, housed in a robust tonneau case and featuring a dial that has developed a mesmerizing natural aging process over the decades. It is a timepiece that offers both historical significance and undeniable vintage charm. Brand: Longines Model: Ultra-Chron Reference Number: 839819 Movement: Automatic Dial: Dark grey crosshair dial exhibiting an even stardust patina with applied faceted indices Case Size: 35 mm (excluding the crown) Case Material: Stainless steel Production Year: 1970s Condition: Good vintage condition showcasing attractive natural aging Dial and Hands The dial is a striking dark grey crosshair configuration that has gracefully aged to develop a distinct and even stardust patina across its entire surface. This natural, age-consistent spotting adds immense character and a unique visual texture to the watch. The dial is appointed with applied faceted silver-tone indices that catch the light dynamically, complemented by the applied Longines winged hourglass and the iconic applied Ultra-Chron logo. The printed typography, featuring crisp serif fonts for the brand name and clean sans-serif for the model designation, remains fully intact. The baton hands display visible oxidation and natural aging, perfectly consistent with the vintage nature of the timepiece. A neatly framed date aperture is positioned at the 3 o'clock mark. Case and Crystal The 35mm stainless steel tonneau case embodies the distinctive and highly wearable design language of the 1970s. The case presents honest signs of wear with light surface scratches and handling marks, yet it retains strong, well-defined lines. The factory transitions between the sunburst brushed upper case surfaces and the polished flanks remain clearly visible. The original Longines-signed crown is present and features sharp knurling for easy operation. A domed crystal protects the dial, remaining clear and providing an unhindered view of the stardust patina beneath. Movement Powered by a Longines automatic caliber, a movement family celebrated for its robust engineering and high-beat precision heritage. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. The timegrapher results indicate an impressive -2 to 8 s/d with strong amplitude, highlighting the outstanding mechanical health of this classic Longines. Strap The watch is fitted with a supple black leather strap featuring distinctive white and brown contrasting stitching, which beautifully complements the warm tones of the dial's patina. It is secured comfortably to the wrist with a standard stainless steel pin buckle. Condition This Ultra-Chron is presented in good vintage condition. The watch wears its age authentically, showcasing a highly attractive and even stardust patina on the dial alongside honest oxidation on the hands. The stainless steel case remains robust, displaying normal vintage wear while preserving its factory-correct brushed and polished finishes. The exceptional timegrapher results confirm that the movement has been well-preserved and is running with outstanding reliability. Dimensions Case Size: 35 mm (excluding the crown) Remarks Finding a vintage Longines Ultra-Chron with such a visually compelling dial and strong mechanical performance is a delight for any collector. The stardust patina ensures that this watch is entirely unique, while the reliable automatic movement makes it a highly capable daily wearer. It is a fantastic representation of Longines' golden era of mechanical innovation. History Introduced in 1967 to commemorate the 100th anniversary of Longines, the Ultra-Chron was a groundbreaking release in the world of mechanical watchmaking. It was one of the first mass-produced watches to feature a high-beat movement, operating at 36,000 vibrations per hour to provide unprecedented accuracy for a wristwatch. The Ultra-Chron line quickly became a symbol of Longines' technical prowess and remains a highly respected and sought-after model among vintage watch enthusiasts today. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and very securely packaged, and shipped with tracking and insurance for your peace of mind. We ship via fast express service, with typical delivery in 1–4 business days (destination dependent). Note that with vintage watches, minor signs of wear, aging, or imperfections may be present and are considered normal for watches of this age. Please review all photos carefully before bidding. We strive to photograph each watch from multiple angles for the most accurate representation. The photos form an important part of the description. If there are any concerns of functionality or defects after delivery, make sure to contact us within 3 days of receiving the watch so we can assist you. As with all vintage watches, water resistance is not guaranteed. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: LON-LUX-0003